Apparatus and methods for aspirating emboli
First Claim
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1. Apparatus for filtering and aspirating emboli from a vessel comprising:
- a vascular filter having a blood-permeable element disposed on a guidewire, the vascular filter causing emboli to become deposited in the vessel in the vicinity of the vascular filter;
a first catheter having proximal and distal ends, proximal and distal openings, and a lumen extending between the proximal and distal openings, wherein the first catheter is adapted to be advanced along the guidewire to a location in the vessel in the vicinity of the vascular filter to aspirate emboli.
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Abstract
Apparatus and methods for aspirating emboli from a vascular filter or stent within a patient'"'"'s circulatory system are provided. A filter sac of the vascular filter permits blood flow and captures emboli from the flow. The aspiration device removes emboli from within or proximal to the vascular filter or stent to reduce the risk to the ischemia during retrieval of the vascular filter and during a treatment procedure. Retrieval of the vascular filter may be accomplished using either the aspiration catheter or a separate retrieval catheter.
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Citations
2 Claims
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1. Apparatus for filtering and aspirating emboli from a vessel comprising:
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a vascular filter having a blood-permeable element disposed on a guidewire, the vascular filter causing emboli to become deposited in the vessel in the vicinity of the vascular filter;
a first catheter having proximal and distal ends, proximal and distal openings, and a lumen extending between the proximal and distal openings, wherein the first catheter is adapted to be advanced along the guidewire to a location in the vessel in the vicinity of the vascular filter to aspirate emboli.
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2-27. -27. (canceled)
Specification